Garbage can and garbage collecting assembly

The utility model belongs to the technical field of utensils for daily life, and discloses a garbage can which comprises a can (1), a can collar (2) and a can cover (3). A plurality of garbage bag outer edge extending openings (11) are formed in the edge of a top opening (12) of the can (1); the can collar (2) sleeves the edge of the top opening (12), clamping seams which are used for clamping garbage bag outer edge fixing portions are formed by the can collar (2) and the outer wall of the can (1), the garbage bag outer edge fixing portions extend out of the garbage bag outer edge extending openings (11), a through hole (21) is formed in the top of the can collar (2), and an external environments can be communicated with an inner cavity of the can (1) via the through hole (21); the can cover (3) is arranged on the through hole (21) so that the inner cavity of the can (1) can be closed. The utility model further provides a garbage collecting assembly. The garbage can and the garbage collecting assembly have the advantage that problems that garbage bags in existing garbage cans are easy to fall off from top openings of the existing garbage cans and garbage is inconvenient to release and collect in follow-up procedures can be solved by the aid of the garbage can and the garbage collecting assembly.